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【单选题】
SE序列动脉导管未闭表现为A.
主动脉和肺动脉之间管状或漏斗状的低信号影
B.
主动脉和肺动脉之间管状或漏斗状的中等高信号影
C.
主动脉和肺动脉之间管状或漏斗状的高信号影
D.
主动脉和肺动脉之间管状或漏斗状的低信号为主的混杂信号影
E.
主动脉和肺动脉之间管状或漏斗状的高信号为主的混杂信号影
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A.
Achilles’ heel
B.
child’s play
C.
green fingers
D.
last straw
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【单选题】( ), but could you tell me how to go to the Friendship Store?
A.
Good morning
B.
Hello
C.
Excuse me
D.
Thank you
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A.
Hello
B.
Excuse me
C.
THank you
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